No doubt all states have exactly the same statutes, else it would be colossally stupid. Might as well cite foreign cases.
I dare say one of the ongoing problems with the entire court system is that they cite other cases rather than deriving their own opinion from first principles. Citing other cases is just a variation on a "tu quoque" fallacy.
It is a very stupid way to administer law. One mistake, and the whole collection of them fly right into the ground.
I’m betting that the opposite of reliance on the ancient Roman legal system principle of “stare decisis” and basing rulings on precedent is NOT what you are advocating: that the Constitution is a “living document” to be individually interpreted by (for example) each of the 179 liberal federal judges that have been appointed by Obama since 2009.
The reason that the Ankeny ruling shows up in so many subsequent rulings is simply that the attorneys representing the “Obama is eligible” position have done a better job of stating their case in their briefs than the “Obama is ineligible” attorneys have done.